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104 lines
2.9 KiB
104 lines
2.9 KiB
/*
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**************************************************************************
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description
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--------------------
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copyright : (C) 2002 by Andreas Zehender
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email : zehender@kde.org
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**************************************************************************
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**************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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**************************************************************************/
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#include "pmresourcelocator.h"
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#include "pmpovrayrenderwidget.h"
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#include "pmdebug.h"
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#include <tqfileinfo.h>
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#include <tqdir.h>
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PMResourceLocator* PMResourceLocator::s_pInstance = 0;
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KStaticDeleter<PMResourceLocator> PMResourceLocator::s_staticDeleter;
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PMResourceLocator::PMResourceLocator( )
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: m_cache( 100, 109, true )
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{
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m_cache.setAutoDelete( true );
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}
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PMResourceLocator::~PMResourceLocator( )
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{
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m_cache.clear( );
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}
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TQString PMResourceLocator::findFile( const TQString& file )
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{
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if( !s_pInstance )
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s_staticDeleter.setObject( s_pInstance, new PMResourceLocator( ) );
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return s_pInstance->lookUp( file );
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}
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void PMResourceLocator::clearCache( )
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{
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if( s_pInstance )
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s_pInstance->m_cache.clear( );
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}
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TQString PMResourceLocator::lookUp( const TQString& file )
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{
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if( file.isEmpty( ) )
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return TQString();
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kdDebug( PMArea ) << "LookUp: " << file << endl;
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TQString* ps = m_cache.find( file );
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if( ps )
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return *ps;
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bool found = false;
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TQString fullPath = TQString();
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if( file[0] == '/' )
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{
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// absolute path, library paths are not used
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TQFileInfo info( file );
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if( info.exists( ) && info.isReadable( ) && info.isFile( ) )
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{
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found = true;
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fullPath = file;
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}
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}
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else
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{
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TQStringList plist = PMPovrayRenderWidget::povrayLibraryPaths( );
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TQStringList::ConstIterator it = plist.begin( );
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for( ; ( it != plist.end( ) ) && !found; ++it )
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{
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TQDir dir( *it );
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TQFileInfo info( dir, file );
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if( info.exists( ) && info.isReadable( ) && info.isFile( ) )
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{
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found = true;
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fullPath = info.absFilePath( );
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}
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}
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}
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if( found )
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{
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TQString* ni = new TQString( fullPath );
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if( !m_cache.insert( file, ni ) )
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delete ni;
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kdDebug( PMArea ) << "File \"" << file << "\" found in "
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<< fullPath << endl;
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}
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return fullPath;
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}
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